CN211128671U - Support for fixing printed circuit board - Google Patents

Abstract

The utility model relates to a printed circuit board installs technical field, discloses a support for fixing printed circuit board, solves the PCB board and causes the problem of damage because of falling or colliding. The utility model discloses a support body, the support body just is equipped with first joint portion and location portion for flexible material. The utility model discloses a flexible material's support and with the first joint portion of PCB board joint, can avoid using the fix with screw PCB board to play the effect of buffering when the emergence is fallen or collided, avoid vibrating the produced bad condition behind the energy transfer for the PCB board of production effectively.

Description

Support for fixing printed circuit board

Technical Field

The utility model relates to a printed circuit board installs technical field, especially a support for fixing printed circuit board.

Background

At present, the commonly used fixing mode of the electronic circuit board structure is mainly to fix the PCB at a rigid support in a screw locking mode, if the PCB falls or collides, the impact force generated by vibration can be transmitted to the PCB through screws and/or the support, so that the PCB element is damaged or falls to cause the electronic product to be incapable of being used continuously.

Disclosure of Invention

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a support for fixing printed circuit board, solve the PCB board and cause the problem of damage because of falling or colliding.

According to the utility model discloses an aspect provides a support for fixing printed circuit board, including the support body, the support body just is equipped with first joint portion and location portion for flexible material.

Further, the support body is also provided with a threaded seat.

Further, the threaded seat and the support body are of an integrally formed structure.

Further, the flexible material is rubber or plastic or foam.

Further, the flexible material is thermoplastic polyurethane elastomer rubber.

Further, the first clamping portion, the positioning portion and the support body are of an integrally formed structure.

Further, the first clamping portion is a clamping column and/or a clamping groove.

Furthermore, the draw-in groove is equipped with two, the card post is equipped with three and equidistant range and is in two between the draw-in groove.

Furthermore, the positioning part comprises convex parts arranged on two sides of the bracket body and a bottom positioning hole arranged on the bracket body.

Further, the upper end face of the support body is also provided with a support table.

Has the advantages that: the support made of flexible materials and the first clamping portion clamped with the PCB can avoid fixing the PCB by using screws, so that the PCB can be buffered when falling or colliding, and the problem that energy generated by vibration is transferred to the PCB to cause poor conditions is effectively avoided.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of a PCB board according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of the PCB board and the bracket body in a preferred embodiment of the present invention;

fig. 4 is a schematic structural view of the lower housing in a preferred embodiment of the present invention;

fig. 5 is an exploded view of a preferred embodiment of the present invention;

fig. 6 is a schematic view of the flexible connector, the PCB and the bracket body according to a preferred embodiment of the present invention;

FIG. 7 is a schematic view of FIG. 6 after the locking screw;

fig. 8 is an installation schematic of a preferred embodiment of the invention;

fig. 9 is a top view of a preferred embodiment of the present invention, after it has been integrally installed.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a bracket for fixing a printed circuit board according to a preferred embodiment includes a bracket body 20, wherein the bracket body 20 is made of a flexible material and is provided with a first clamping portion 21 and a positioning portion.

The bracket body 20 is made of a flexible material, and may be made of rubber, plastic or foam, in this embodiment, a TPU material, i.e., a thermoplastic polyurethane elastomer rubber, is preferentially used as a raw material of the bracket body 20, and in this embodiment, the first clamping portion 21 and the bracket body 20 are an integrally formed structure. The flexible material is adopted, so that the buffer effect can be achieved, the impact generated in the collision or falling process is effectively reduced, and the PCB 30 is prevented from being damaged or falling off due to vibration.

Referring to fig. 2 and 3, the PCB 30 is provided with a second clamping portion 31 engaged with the first clamping portion 21, and during installation, the first clamping portion 21 and the second clamping portion 31 are clamped in a one-to-one correspondence manner, so that the PCB 30 is clamped and fixed with the bracket body 20. The support body 20 is further provided with a support platform 24 for supporting the bottom surface of the PCB 30, and the support platform 24 may be a structure protruding from the upper end surface of the support body 20, or may be directly the upper end surface of the support body 20. Utilize brace table 24 can make PCB board 30 whole remain stable, if reduce the area of support body 20 and PCB board 30 bottom surface contact, can further reduce vibrations and produce energy and transmit for PCB board 30 by support body 20, so in this embodiment, brace table 24 adopts the bellied structure of support body 20 up end, and is equipped with two middle parts that distribute at support body 20 up end.

Wherein, first joint portion 21 is card post and/or draw-in groove, and second joint portion 31 is draw-in groove and/or card post, and the card post mutually supports the joint with the draw-in groove and makes PCB board 30 be fixed in on the support body 20. Specifically, the bracket body 20 may be provided with the clamping posts and the clamping grooves at the same time, or only the clamping posts or the clamping grooves may be provided on the bracket body 20, and the corresponding clamping grooves and the clamping posts may be provided on the PCB 30 at the same time, or only the clamping grooves or the clamping posts may be provided on the PCB 30, wherein the clamping grooves on the bracket body 20 are in fit clamping with the clamping posts on the PCB 30, and the clamping posts on the bracket body 20 are in fit clamping with the clamping grooves on the PCB 30, or the clamping grooves on the bracket body 20 and the clamping grooves on the PCB 30 are cross-buckled to realize the connection, and the number of the first clamping portions 21 and the second clamping portions 31 may be set according to the requirement, in this embodiment, the bracket body 20 is provided with two clamping grooves and three clamping posts, and the three clamping posts are arranged between the two clamping grooves at equal intervals, and the rear side edges of the PCB 30 are respectively provided with five clamping grooves which are uniformly arranged, and when being installed, the middle three clamping grooves on the PCB 30 are sequentially aligned with, the slots on the two sides of the PCB 30 are engaged with the slots on the two sides of the bracket body 20, so that the PCB 30 is fixed on the bracket body 20.

In addition, referring to fig. 1 to 4, the positioning portion includes protrusions 22 disposed on both sides of the bracket body 20 and positioning holes (not shown) disposed on the bottom of the bracket body 20.

Wherein the convex portion 22 is used for positioning the PCB board 30. The corresponding PCB board 30 is provided at both ends thereof with recesses 32 to be matched with the protrusions 22. By using the convex portion 22 and the concave portion 32, the positioning and installation of the PCB 30 can be realized, so that the first clamping portion 21 and the second clamping portion 31 can be connected in a quick alignment manner.

The convex portion 22 is an arc convex body, the concave portion 32 is an arc groove, and the front end of the concave portion 32 slides in from the front end of the convex portion 22 along the outer edge of the convex portion 22 until the convex portion 22 is embedded into the concave portion 32, so that the bracket body 20 and the PCB 30 are fixedly connected. The convex portion 22 is inserted into the concave portion 32, so that the fixing function is also performed, and the position of the PCB 30 and the bracket body 20 is further stabilized.

In this embodiment, after the PCB 30 and the bracket body 20 are mounted, the bracket body 20 needs to be mounted in the housing, so that the housing is provided with the groove 121 matching with the outside of the bracket body 20, and the bracket body 20 can be embedded into the groove 121, thereby avoiding the use of a screw fixing mode, reducing the vibration energy transmitted from the housing to the bracket body 20, and further reducing the vibration energy transmitted to the PCB 30. The groove 121 is provided with a positioning post 122 matching with a positioning hole (not shown) provided at the bottom of the bracket body 20. By using the positioning column 122, the mounting position of the bracket body 20 can be positioned, and the mounting efficiency can be effectively improved during mounting. While further stabilizing the connection between the holder body 20 and the housing. The housing includes an upper housing 11 and a lower housing 12 that are fastened to each other, wherein the groove 121 and the positioning post 122 are disposed in the lower housing 12.

Referring to fig. 5 to 9, the bracket body 20 is further provided with a threaded seat 23. The screw base 23 is disposed at the upper end of the first clamping portion 21, the screw base 23 is used for fixing the flexible connecting member 40, one end of the flexible connecting member 40 is connected to the PCB 30, the other end of the flexible connecting member 40 is disposed with a second fixing hole 41 matched with the screw base 23, and the housing is disposed with a first fixing hole 111 matched with the screw base 23. And is screwed with the screw base 23 by a screw 50 passing through the first fixing hole 111 and the second fixing hole 41 in sequence. Wherein, the first fixing hole 111 is provided on the upper case 11.

During the installation, earlier PCB board 30 and support body 20 joint keep fixed, be connected the one end and the PCB board 30 of soft connecting piece 40, in this embodiment, can adopt the mode of welding or bonding to make PCB board 30 and soft connecting plate be connected and both are electric connection's relation, then with support body 20 whole embedding recess 121 in, pass first fixed orifices 111 and second fixed orifices 41 back and screw thread seat 23 threaded connection in proper order through screw 50 at last to make upper shell 11, soft connecting piece 40 and support body 20 fixed connection.

The flexible connector 40 may be an FPC board (flexible circuit board) or an FFC cable (flexible flat cable) as a signal connection channel for signal connection between the PCB 30 and the outside. In this embodiment, an FPC board is used, and the FPC board is fixedly connected and electrically connected to the PCB 30 by welding or bonding. The flexible connecting member 40 serves as a channel for electrical connection to connect the PCB 30 with external signals.

The screw 50 is made of a conductive material and electrically connected to the flexible connecting element 40. The screws 50 and the flexible connecting members 40 serve as a channel for signal connection between the PCB 30 and an external electronic product.

In this embodiment, the screw seat 23, the first fastening portion 21 and the bracket body 20 are integrally formed. The flexible material is adopted, so that the buffer effect can be achieved, the impact generated in the collision or falling process is effectively reduced, and the PCB 30 is prevented from being damaged or falling off due to vibration. By using the flexible connecting member 40 and the screw 50, the PCB 30 is not required to be directly and fixedly connected with the housing, and the flexible connecting member 40 can play a role of buffering, so that the vibration can be prevented from being directly transmitted to the PCB 30 from the housing, the PCB 30 is effectively protected, and the electrical connection between the PCB 30 and the electronic product outside the housing can be realized by using the screw 50 and the flexible connecting member 40. In addition, the screws 50 are used as connection terminals to realize connection points for signal transmission between the PCB 30 and an external electronic product, so the number of the screws 50 and the number of the flexible connection members 40 can be set according to the signal transmission requirements between the PCB 30 and the external electronic product.

The locking device further comprises a locking sheet 60, a third fixing hole 61 is formed in the locking sheet 60, and the screw 50 sequentially penetrates through the first fixing hole 111, the third fixing hole 61 and the second fixing hole 41 and then is in threaded connection with the threaded seat 23, so that the shell, the soft connecting piece 40 and the support body 20 are fixedly connected. The locking piece 60 is added to further lock the upper housing 11, the flexible connecting member 40 and the bracket body 20, so that the three components are stably connected.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims (9)

1. A bracket for holding a printed circuit board, comprising: the support is characterized by comprising a support body, wherein the support body is made of flexible materials and is provided with a first clamping portion and a positioning portion, and a threaded seat is further arranged on the support body.

2. A bracket for fixing a printed circuit board according to claim 1, wherein: the threaded seat and the bracket body are of an integrally formed structure.

3. A bracket for fixing a printed circuit board according to claim 1, wherein: the flexible material is rubber or plastic or foam.

4. A bracket for fixing a printed circuit board according to claim 3, wherein: the flexible material is thermoplastic polyurethane elastomer rubber.

5. A bracket for fixing a printed circuit board according to claim 1, wherein: the first clamping portion, the positioning portion and the support body are of an integrally formed structure.

6. A bracket for fixing a printed circuit board according to claim 1, wherein: the first clamping portion is a clamping column and/or a clamping groove.

7. A bracket for fixing a printed circuit board according to claim 6, characterized in that: the draw-in groove is equipped with two, the card post is equipped with three and equidistant range and is in two between the draw-in groove.

8. A bracket for fixing a printed circuit board according to claim 1, wherein: the positioning part comprises convex parts arranged on two sides of the support body and a bottom positioning hole arranged on the support body.

9. A bracket for fixing a printed circuit board according to claim 1, wherein: the upper end face of the support body is also provided with a support table.

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